84239780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{2381}}^1$

素因数の和:2480

約数の個数: 48

約数和(自身を含む): 186081840

約数和(自身を除く): 101842060

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 61, 116, 122, 145, 244, 290, 305, 580, 610, 1220, 1769, 2381, 3538, 4762, 7076, 8845, 9524, 11905, 17690, 23810, 35380, 47620, 69049, 138098, 145241, 276196, 290482, 345245, 580964, 690490, 726205, 1380980, 1452410, 2904820, 4211989, 8423978, 16847956, 21059945, 42119890, 84239780]

約数ペア:

[(1, 84239780), (2, 42119890), (4, 21059945), (5, 16847956), (10, 8423978), (20, 4211989), (29, 2904820), (58, 1452410), (61, 1380980), (116, 726205), (122, 690490), (145, 580964), (244, 345245), (290, 290482), (305, 276196), (580, 145241), (610, 138098), (1220, 69049), (1769, 47620), (2381, 35380), (3538, 23810), (4762, 17690), (7076, 11905), (8845, 9524)]